**New Dog Allergy Treatment Approved!** Merck Animal Health announced FDA approval for NUMELVI™ (atinvicitinib tablets), a new second-generation JAK inhibitor for controlling pruritus associated with allergic dermatitis in dogs. This advancement offers a new option for pet owners dealing with their dog's uncomfortable skin allergies. (Published: February 26, 2026) [BioSpace](https://www.biospace.com/press-releases/fda-approves-numelvi-atinvicitinib-tablets-for-dogs-from-merck-animal-health-the-first-and-only-second-generation-janus-kinase-jak-inhibitor-for-the-control-of-pruritus-associated-with-allergic-dermatitis) For more insights into overall pet well-being, check out this discussion on pet health: (https://www.youtube.com/watch?v=0l-Y1M3M3fA) #AnimalHealth #PetCare #VeterinaryMedicine #News